Supplementary tool handle



FIG. 1 is a front, top and left-side isometric view of the supplementary tool handle of the invention;

FIG. 2 is a rear, bottom and right-side isometric view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left-side elevation view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right-side elevation view thereof;

FIG. 7 is a top end view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a front, top and left-side isometric view thereof with a screwdriver shown in broken lines and representation of environmental subject matter.

The broken lines in FIG. 9 illustrate environment and form no part of the claimed design. 

CLAIM The ornamental design for a supplementary tool handle, as shown and described. 